package reflect;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

/**
 使用指定的构造器实例化对象
 */
public class ReflectDemo3 {
    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {
        Person p1 = new Person();
        System.out.println(p1);

        Person p2 = new Person("李四", 35);
        System.out.println(p2);

        //获取类对象
        Class cls = Class.forName("reflect.Person");

        Constructor c = cls.getConstructor(String.class, int.class);
        Object obj = c.newInstance("王五", 33);
        System.out.println(obj);
    }







}
